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From "Tao Yang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-6044) Resource bar of Capacity Scheduler UI does not show correctly
Date Sun, 13 Aug 2017 01:25:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-6044?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tao Yang resolved YARN-6044.
----------------------------
    Resolution: Duplicate

> Resource bar of Capacity Scheduler UI does not show correctly
> -------------------------------------------------------------
>
>                 Key: YARN-6044
>                 URL: https://issues.apache.org/jira/browse/YARN-6044
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler
>    Affects Versions: 2.8.0
>            Reporter: Tao Yang
>            Priority: Minor
>
> Test Environment:
> 1. NodeLable
> yarn rmadmin -addToClusterNodeLabels "label1(exclusive=false)"
> 2. capacity-scheduler.xml
> yarn.scheduler.capacity.root.queues=a,b
> yarn.scheduler.capacity.root.a.capacity=60
> yarn.scheduler.capacity.root.b.capacity=40
> yarn.scheduler.capacity.root.a.accessible-node-labels=label1
> yarn.scheduler.capacity.root.accessible-node-labels.label1.capacity=100
> yarn.scheduler.capacity.root.a.accessible-node-labels.label1.capacity=100
> In this test case, for queue(root.b) in partition(label1), the resource bar(represents
absolute-max-capacity) should be 100%(default). The scheduler UI shows correctly after RM
started, but when I started an app in queue(root.b) and partition(label1) , the resource bar
of this queue is changed from 100% to 0%. 
> For corrent queue(root.a), the queueCapacities of partition(label1) was inited in ParentQueue/LeafQueue
constructor and max-capacity/absolute-max-capacity were setted with correct value, due to
yarn.scheduler.capacity.root.a.accessible-node-labels is defined in capacity-scheduler.xml
> For incorrent queue(root.b), the queueCapacities of partition(label1) didn't exist at
first, the max-capacity and absolute-max-capacity were setted with default value(100%) in
PartitionQueueCapacitiesInfo so that Scheduler UI could show correctly. When this queue was
allocating resource for partition(label1), the queueCapacities of partition(label1) was created
and only used-capacity and absolute-used-capacity were setted in AbstractCSQueue#allocateResource.
max-capacity and absolute-max-capacity have to use float default value 0 which are defined
in QueueCapacities$Capacities. 
> Whether max-capacity and absolute-max-capacity should have default value(100%)  in Capacities
constructor to avoid losing default value if  somewhere called not given?  
> Please feel free to give your suggestions.



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